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On the spectra of commuting pseudodifferential operators: Recent work of Kac-Spencer, Weinstein and others. (English) Zbl 0502.58036

Partial differential equations and geometry, Proc. Park City Conf. 1977, Lect. Notes Pure Appl. Math. 48, 149-165 (1979).

MSC:

58J50 Spectral problems; spectral geometry; scattering theory on manifolds
47F05 General theory of partial differential operators
58C40 Spectral theory; eigenvalue problems on manifolds